DePriester chart

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/depriester-chart

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the year of introduction?1953
2. What is the publication venue?Chemical Engineering Progress
3. Why was the DePriester chart made in 1953?It helped engineers quickly figure out vapor-liquid ratios without long calculations, making chemical plants faster and safer.
4. How does the chart help in making things like gasoline or plastics?By giving quick 'K' values, it lets engineers design distillation columns that separate ingredients cleanly and use less energy.

Vapor-Liquid Equilibrium (VLE): The condition where the rates of vaporization and condensation are equal, resulting in a stable balance between liquid and gas phases.
Nomogram: A graphical calculating device consisting of a number of scales, used to find approximate solutions to equations.
Equilibrium Ratio (K value): The ratio of a component's mole fraction in the vapor phase to its mole fraction in the liquid phase at equilibrium.
Hydrocarbons: Organic compounds consisting entirely of hydrogen and carbon atoms, fundamental to fuels and chemical feedstocks.